EP2639229A2 - Thiazolderivate und deren Verwendung als VAP-1-Hemmer - Google Patents
Thiazolderivate und deren Verwendung als VAP-1-Hemmer Download PDFInfo
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- EP2639229A2 EP2639229A2 EP13172126.8A EP13172126A EP2639229A2 EP 2639229 A2 EP2639229 A2 EP 2639229A2 EP 13172126 A EP13172126 A EP 13172126A EP 2639229 A2 EP2639229 A2 EP 2639229A2
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- ethyl
- thiazol
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- disease
- acetylamino
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- 0 *c1nc(CP(c2ccccc2)(c2ccccc2)c2ccccc2)c[s]1 Chemical compound *c1nc(CP(c2ccccc2)(c2ccccc2)c2ccccc2)c[s]1 0.000 description 23
- VOJKCZSSUHBMKS-UHFFFAOYSA-N C1OC(c2c[s]cc2)OC1 Chemical compound C1OC(c2c[s]cc2)OC1 VOJKCZSSUHBMKS-UHFFFAOYSA-N 0.000 description 1
- CCXPVZYKXYXPTO-UHFFFAOYSA-N CC(C)(C)CC(NNC(OC)=O)=O Chemical compound CC(C)(C)CC(NNC(OC)=O)=O CCXPVZYKXYXPTO-UHFFFAOYSA-N 0.000 description 1
- HTRVRIMBYBKQKP-UHFFFAOYSA-N CCCc1nc(CCc2ccc(COC(NN)=O)cc2F)c[s]1 Chemical compound CCCc1nc(CCc2ccc(COC(NN)=O)cc2F)c[s]1 HTRVRIMBYBKQKP-UHFFFAOYSA-N 0.000 description 1
- ZEVUGJRUEGVFCU-UHFFFAOYSA-N OC(Cc1cc(CBr)ccc1)=O Chemical compound OC(Cc1cc(CBr)ccc1)=O ZEVUGJRUEGVFCU-UHFFFAOYSA-N 0.000 description 1
- RGHHSNMVTDWUBI-UHFFFAOYSA-N Oc1ccc(C=O)cc1 Chemical compound Oc1ccc(C=O)cc1 RGHHSNMVTDWUBI-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/38—Nitrogen atoms
- C07D277/44—Acylated amino or imino radicals
- C07D277/46—Acylated amino or imino radicals by carboxylic acids, or sulfur or nitrogen analogues thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Definitions
- the present invention relates to a novel thiazole derivative (compounds represented by the below-mentioned formula (I) (hereinafter to be also referred to as compound (I)) and a pharmaceutically acceptable salt thereof, hereinafter to be sometimes collectively referred to as the compound of the present invention).
- the present invention relates to a vascular adhesion protein-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of vascular adhesion protein-1 associated disease and the like, which comprise the compound of the present invention as an active ingredient.
- VAP-1 The vascular adhesion protein-1 (hereinafter to be abbreviated as VAP-1) is amine oxidase (semicarbazide sensitive amine oxidase, SSAO) abundantly existing in human plasma, which shows a remarkably increased expression in vascular endothelium and vascular smooth muscle in the inflammatory lesion.
- VAP-1 gene was cloned in 1998, and VAP-1 was reported to be a membrane protein which, as an adhesion molecule, controls rolling and migration of lymphocytes and NK cells under the expression control of inflammatory cytokine.
- amine to be the substrate is unknown, it is considered to be methylamine produced in any part in the living body.
- VAP-1 has also been reported to relate to the following diseases (1) - (6): (1) cirrhosis, essential stabilized hypertension, diabetes, arteriosclerosis (see JP-A-61-239891 (patent document 1) and US Patent No. 4,888,283 (patent document 2)); (2) endothelial injury (in diabetes, arteriosclerosis and hypertension), cardiovascular disease relating to diabetes or uremia, pain relating to gout and arthritis, retinopathy (in diabetic patients) (see WO 1993/23023 (patent document 3)); (3) inflammatory disease or symptom (of binding tissue) (rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis and osteoarthritis or degenerative joint disease, Reiter's syndrome, Sjogren's syndrome, Behcet's syndrome, relapsing polychondritis, systemic lupus erythematosus, discoid lupus erythematodes, systemic sclerosis, e
- WO 2004/067521 (patent document 10), WO 2004/087138 (patent document 9), WO 2006/011631 (patent document 11) and WO 2006/028269 (patent document 12) describe thiazole derivatives having specific structures and that they can be used for the prophylaxis or treatment of VAP-1 associated disease such as macular edema, vascular hyperpermeable disease and the like.
- thiazole derivatives having specific structures which are described in WO 2004/067521 (patent document 10), WO 2004/087138 (patent document 9) and WO 2006/028269 (patent document 12), also conceptually encompass a compound having a hydrazino group or a hydrazinocarbonyl group at the molecular terminal.
- they do not disclose a novel compound having the specific functional group of the present invention carbazic acid thioester group or semicarbazide group.
- WO 2008/066145 (patent document 13) describes a thiazole derivative having a particular structure, it does not disclose the novel compound of the present invention.
- patent document 1 JP-A-61-239891 patent document 2: US Patent No. 4,888,283 patent document 3: WO 1993/23023 patent document 4: WO 2002/02090 patent document 5: WO 2002/02541 patent document 6: US 2002/0173521 A patent document 7: WO 2002/38152 patent document 8: WO 2002/38153 patent document 9: WO 2004/087138 patent document 10: WO 2004/067521 patent document 11: WO 2006/011631 patent document 12: WO 2006/028269 patent document 13: WO 2008/066145 non-patent document 1: Diabetologia, 42 (1999) 233-237 non-patent document 2: Diabetes Medicine, 16 (1999) 514-521
- the present invention aims to provide a novel thiazole derivative useful as a VAP-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of VAP-1 associated diseases and the like.
- a thiazole derivative having a specific functional group (carbazic acid ester group, carbazic acid thioester group or semicarbazide group) at the molecular terminal has superior VAP-1 inhibitory action, is superior in enzyme selectivity and can eliminate feared side effects, and conducted further studies, which resulted in the completion of the present invention.
- the present invention is as follows.
- R 1 is acyl
- X is a divalent residue derived from optionally substituted thiazole
- Y is the formula (III):
- J is a bond, lower alkylene, lower alkenylene, lower alkynylene, -(CH 2 ) n -O-, -(CH 2 ) n -NH-, -(CH 2 ) n -CO- or -(CH 2 ) n -SO 2 -(wherein n is an integer of 0 to 6);
- L is a bond, -O-, -NH-, -CO- or -SO 2 -;
- M is a bond, lower alkylene, lower alkenylene or lower alkynylene, provided that when J is -(CH 2 ) n -O-, L is not -O-, -NH- and -SO 2 -, when J is -(CH 2 ) n -NH-, L is not -O- and -NH-, when J is -(CH 2 ) n -CO-, L is not -CO-, when J is -(CH 2
- A is a divalent residue derived from optionally substituted benzene, or a divalent residue derived from optionally substituted thiophene
- B is (CH 2 ) 1 -NR 2 -CO- wherein R 2 is hydrogen, lower alkyl or acyl, 1 is an integer of 1 to 6, -(CH 2 ) m -O-CO- or -(CH 2 ) m -S-CO-(wherein m is an integer of 0 to 6);
- D is -NR 3 - wherein R 3 is hydrogen, lower alkyl, alkoxycarbonyl or acyl; and E is optionally substituted amino; or a pharmaceutically acceptable salt thereof.
- the compound of the present invention has superior VAP-1 inhibitory activity and superior enzyme selectivity, and therefore, can remove side effects and the like which are undesirable as a pharmaceutical product. Therefore, the compound is useful as a VAP-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of a VAP-1 associated disease and the like.
- lower is used to mean a group having a carbon number of 1 to 6, preferably 1 to 4, unless otherwise specified.
- the “lower alkyl” include a straight chain or branched chain alkyl having a carbon number of 1 to 6 (e.g., methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, tert-pentyl and hexyl) and the like.
- C 1 -C 4 alkyl is more preferable.
- lower alkylene examples include a straight chain or branched chain alkylene having a carbon number of 1 to 6 (e.g., methylene, ethylene, trimethylene, propylene, ethylidene and propylidene) and the like. Among these, C 1 -C 4 alkylene is more preferable.
- lower alkenylene examples include a straight chain or branched chain alkenylene having a carbon number of 2 to 6 (e.g., vinylene, 1-propenylene, 1-methyl-1-propenylene, 2-methyl-1-propenylene, 2-propenylene, 2-butenylene, 1-butenylene, 3-butenylene, 2-pentenylene, 1-pentenylene, 3-pentenylene, 4-pentenylene, 1,3-butadienylene, 1,3-pentadienylene, 2-penten-4-ynylene, 2-hexenylene, 1-hexenylene, 5-hexenylene, 3-hexenylene, 4-hexenylene, 3,3-dimethyl-1-propenylene, 2-ethyl-1-propenylene, 1,3,5-hexatrienylene, 1,3-hexadienylene, 1,4-hexadienylene) and the like.
- vinylene 1-propenylene, 1-methyl-1-
- C 2 -C 4 alkenylene is more preferable.
- the above-mentioned lower alkenylene may be an E-form or Z-form.
- the compound of the present invention encompasses any stereoisomer wherein the lower alkenylene moiety is an E-structure or Z-structure.
- lower alkynylene examples include a straight chain or branched chain alkynylene having a carbon number of 2 to 6, which has 1 to 3 triple bonds (e.g., ethynylene, 1-propynylene, 1-methyl-1-propynylene, 2-methyl-1-propynylene, 2-propynylene, 2-butynylene, 1-butynylene, 3-butynylene, 2-pentynylene, 1-pentynylene, 3-pentynylene, 4-pentynylene, 2-pentyn-4-ynylene, 2-hexynylene, 1-hexynylene, 5-hexynylene, 3-hexynylene, 4-hexynylene, 3,3-diethyl-1-propynylene, 2-ethyl-1-propynylene) and the like.
- C 2 -C 4 alkynylene is more preferable.
- aryl examples include C 6 -C 10 aryl (e.g., phenyl and naphthyl) and the like, where the “aryl” may be substituted by 1 to 3 substituents and the position of substitution is not particularly limited.
- aralkyl examples include aralkyl wherein the aryl moiety has a carbon number of 6 to 10 [that is, the aryl moiety is C 6 -C 10 aryl of the above-mentioned "aryl”], and the alkyl moiety has a carbon number of 1 to 6 [that is, the alkyl moiety is C 1 -C 6 alkyl of the above-mentioned "lower alkyl”] (e.g., benzyl, phenethyl, 1-naphthylmethyl, 2-naphthylmethyl, 3-phenylpropyl, 4-phenylbutyl and 5-phenylpentyl) and the like.
- cyclo lower alkyl examples include cycloalkyl having a carbon number of 3 to 6 (e.g., cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl) and the like.
- cyclo lower alkoxycarbonyl examples include cycloalkoxycarbonyl wherein the cycloalkyl moiety has a carbon number of 3 to 6 (e.g., cyclopropyloxycarbonyl, cyclobutyloxycarbonyl, cyclopentyloxycarbonyl, cyclohexyloxycarbonyl) and the like.
- heterocycle examples include “aromatic heterocycle” and “non-aromatic heterocycle”.
- aromatic heterocycle examples include a 5- to 10-membered aromatic heterocycle containing, besides carbon atoms, 1 to 3 hetero atoms selected from nitrogen, oxygen and sulfur atom and the like, for example, thiophene, furan, pyrrole, imidazole, pyrazole, thiazole, isothiazole, oxazole, isoxazole, pyridine, pyridazine, pyrimidine, pyrazine and the like.
- non-aromatic heterocycle examples include a 5- to 10-membered non-aromatic heterocycle containing, besides carbon atoms, 1 to 3 hetero atom selected from nitrogen, oxygen and sulfur atom and the like, for example, pyrrolidine, imidazoline, pyrazolidine, pyrazoline, piperidine, piperazine, morpholine, thiomorpholine, dioxolane, oxazolidine, thiazolidine, triazolysine and the like.
- acyl examples include alkylcarbonyl, arylcarbonyl and the like.
- alkylcarbonyl examples include alkylcarbonyl wherein the alkyl moiety has 1 to 6 carbon atoms [that is, the alkyl moiety is C 1 -C 6 alkyl of the above-mentioned “lower alkyl”] (e.g., acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, pivaloyl, hexanoyl, heptanoyl and decanoyl) and the like.
- arylcarbonyl examples include arylcarbonyl wherein the aryl moiety has 6 to 10 carbon atoms [that is, the aryl moiety is C 6 -C 10 aryl of the above-mentioned “aryl”] (e.g., benzoyl and naphthoyl) and the like.
- alkoxycarbonyl examples include alkyloxycarbonyl, aralkyloxycarbonyl and the like.
- alkyloxycarbonyl examples include alkyloxycarbonyl wherein the alkyl moiety has a carbon number of 1 to 10 (e.g., methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl, pentyloxycarbonyl, tert-pentyloxycarbonyl, hexyloxycarbonyl and decyloxycarbonyl etc.) and the like.
- aralkyloxycarbonyl examples include aralkyloxycarbonyl wherein the aryl moiety has a carbon number of 6 to 10 [that is, the aryl moiety is C 6 -C 10 aryl of the above-mentioned "aryl”], and the alkyl moiety has a carbon number of 1 to 6 [that is, the alkyl moiety is C 1 -C 6 alkyl of the above-mentioned "lower alkyl”] (e.g., benzyloxycarbonyl, phenethyloxycarbonyl, 1-naphthylmethyloxycarbonyl, 2-naphthylmethyloxycarbonyl, 3-phenylpropyloxycarbonyl, 4-phenylbutyloxycarbonyl and 5-phenylpentyloxycarbonyl etc.) and the like.
- acyl for R 1 in the formula (I) include those defined above and the like, preferably alkylcarbonyl (the alkylcarbonyl is as defined above) and the like, particularly preferably acetyl and the like.
- the "thiazole” may have a substituent, and the position of substitution is not particularly limited.
- substituents of the above-mentioned “optionally substituted thiazole” include a group described in the following (1) -
- the position of substitution on aryl or heterocycle may be any and is not particularly limited.
- Preferable "substituent" of the above-mentioned “optionally substituted thiazole” is methylsulfonylbenzyl, sulfamoylbenzyl (e.g., 4-sulfamoylbenzyl) and the like.
- the position of substitution of the methylsulfonyl group, sulfamoyl group and the like is not particularly limited.
- J-L-M for Y in the formula (I) may be those defined above and the like.
- J-L-M for Y in the formula (I) include -(CH 2 ) n -, -(CH 2 ) n -NH-(CH 2 ) n' -, -(CH 2 ) n -O-(CH 2 ) n' -, -(CH 2 ) n -CO-O-(CH 2 ) n' -, -(CH 2 ) n -O-CO-(CH 2 ) n' -, -(CH 2 ) n -CO-NH-(CH 2 ) n' -, -(CH 2 ) n -NH-CO-(CH 2 ) n' -, -(CH 2 ) n -SO 2 -NH-(CH 2 ) n' -, -(CH 2 ) n -SO 2 -NH-(CH 2 ) n' - and -(CH 2 ) n -NH-SO 2 -(CH
- -(CH 2 ) n -, -(CH 2 ) n -NH-(CH 2 ) n' -, -(CH 2 ) n -O-(CH 2 ) n' -, -(CH 2 ) n -CO-O-(CH 2 ) n' -, and - (CH 2 ) n -CO-NH-(CH 2 ) n' - are preferable, and -(CH 2 ) n - is particularly preferable.
- -(CH 2 ) 2 -, -CH 2 -CO-, -CH 2 -NH-, -CH 2 -O-, -CO-O-, -CO-NH- and the like can also be mentioned.
- divalent residue derived from optionally substituted benzene or divalent residue derived from optionally substituted thiophene for A in the formula (II): A-B-D-E for Z in the formula (I) include
- Benzene and “thiophene” may have a substituent, and the position of substitution is not particularly limited.
- substituents include halogen (e.g., fluorine, chlorine, bromine), lower alkyl (e.g., methyl, ethyl), lower alkoxy (e.g., methoxy), acyl (e.g., acetyl), halogenated alkyl (e.g., trifluoromethyl) and the like.
- Examples of the lower alkyl and acyl for R 2 of -(CH 2 ) 1 -NR 2 -CO- represented by B include those defined above and the like.
- l in -(CH 2 ) l -NR 2 -CO- represented by B is an integer of 1 to 6 (preferably 1 to 3).
- m in -(CH 2 ) m -O-CO- and -(CH 2 ) m -S-CO- represented by B is an integer of 0 to 6 (preferably 0 to 3).
- B examples include -O-CO-, -CH 2 -O-CO-, -(CH 2 ) 2 -O-CO-, -(CH 2 ) 3 -O-CO-, -CH 2 -NH-CO-, -(CH 2 ) 2 -NH-CO-, - (CH 2 ) 3 -NH-CO-, -S-CO-, -CH 2 -S-CO- and -(CH 2 ) 2 -S-CO- and the like.
- Examples of the lower alkyl, alkoxycarbonyl and acyl for R 3 in -NR 3 - represented by D include those defined above and the like. Specific examples of D include -NH-, -N(CH 3 )- and the like.
- Examples of the "optionally substituted amino" for E include unsubstituted amino, and amino substituted by 1 or 2 substituents.
- the “optionally substituted amino” is represented by the formula -NR 4 R 5 .
- R 4 and R 5 include groups of lower alkyl, acyl (particularly, lower alkylcarbonyl, hydroxy lower alkylcarbonyl), alkoxycarbonyl, hydroxyalkoxycarbonyl, aryl, aralkyl, cyclo lower alkyl, cyclo lower alkoxycarbonyl, sulfuryl, sulfinyl, phosphoryl, heterocycle and the like, which are each unsubstituted or optionally substituted by hydroxy etc., hydrogen and the like.
- the lower alkyl, acyl (particularly, lower alkylcarbonyl), alkoxycarbonyl, aryl, aralkyl, cyclo lower alkyl, cyclo lower alkoxycarbonyl and heterocycle are as defined above.
- R 4 and R 5 include hydrogen, lower alkyl (e.g., methyl, ethyl and the like), acetyl, butanoyl, decanoyl, 3-hydroxypropanoyl, 6-hydroxyhexanoyl, ethoxycarbonyl, butoxycarbonyl, decyloxycarbonyl, 2-hydroxyethoxycarbonyl and the like.
- the amino moiety of "optionally substituted amino" for E may be protected (i.e., substituted) according to the method described in "Protective Groups in Organic Synthesis 3rd Edition" (John Wiley and Sons, 1999), and the like.
- R 4 and R 5 may be the same or different.
- A-B-D-E which is shown by Z in the formula (I), B is -O-CO-, -CH 2 -O-CO-, -(CH 2 ) 2 -O-CO-, -(CH 2 ) 3 -O-CO-, -CH 2 -NH-CO-, -(CH 2 ) 2 -NH-CO-, -(CH 2 ) 3 -NH-CO-, -S-CO-, -CH 2 -S-CO- or -(CH 2 ) 2 -S-CO-; D is -NH-; and E is -NH 2 and the like.
- the -B-D-E part is, for example, -O-CO-NH-NH 2 , -CH 2 -O-CO-NH-NH 2 , -(CH 2 ) 2 -O-CO-NH-NH 2 , -(CH 2 ) 3 -O-CO-NH-NH 2 , -CH 2 -NH-CO-NH-NH 2 , -(CH 2 ) 2 -NH-CO-NH-NH 2 , -(CH 2 ) 3 -NH-CO-NH-NH 2 , -CH 2 -S-CO-NH-NH 2 , -(CH 2 ) 2 -S-CO-NH-NH 2 and the like.
- Examples of compound (I) include 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl hydrazinecarboxylate, 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ benzyl hydrazinecarboxylate, 2-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl hydrazinecarboxylate, 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -2-fluorobenzyl hydrazinecarboxylate, 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -3-fluorobenzyl hydrazinecarboxylate, 4- ⁇ 2-[2-[2-(acetylamino
- compound (I) has an asymmetric carbon atom in the structure
- the present invention encompasses all enantiomers and diastereomers.
- Compound (I) can also be converted to a pharmaceutically acceptable salt.
- the pharmaceutically acceptable salt in the present invention is not particularly limited as long as it is a nontoxic pharmaceutically acceptable general salt, and a salt with an inorganic or organic base, acid addition salt and the like can be mentioned.
- the salt with an inorganic or organic base include alkali metal salt (e.g., sodium salt, potassium salt and the like), alkaline earth metal salt (e.g., calcium salt, magnesium salt and the like), ammonium salt, and amine salt (e.g., triethylamine salt, N-benzyl-N-methylamine salt and the like) and the like.
- the acid addition salt examples include salts derived from mineral acid (e.g., hydrochloric acid, hydrobromic acid, hydroiodic acid, phosphoric acid, metaphosphoric acid, nitric acid and sulfuric acid), and salts derived from organic acid (e.g., tartaric acid, acetic acid, trifluoroacetic acid, citric acid, malic acid, lactic acid, fumaric acid, maleic acid, benzoic acid, glycol acid, gluconic acid, succinic acid and arylsulfonic acid (e.g., p-toluenesulfonic acid)) and the like.
- mineral acid e.g., hydrochloric acid, hydrobromic acid, hydroiodic acid, phosphoric acid, metaphosphoric acid, nitric acid and sulfuric acid
- organic acid e.g., tartaric acid, acetic acid, trifluoroacetic acid, citric acid, malic acid, lactic acid, fumaric acid, male
- the compound of the present invention can be used as a prodrug for the below-mentioned pharmaceutical agent and the like.
- prodrug means any compound that can be converted to a VAP-1 inhibitor in the body after administration.
- the prodrug may be any optionally pharmaceutically acceptable prodrug of the compound of the present invention.
- the compound of the present invention can be used as an active ingredient of a pharmaceutical agent such as a VAP-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of a VAP-1 associated disease and the like.
- a pharmaceutical agent such as a VAP-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of a VAP-1 associated disease and the like.
- VAP-1 (VAP-1) associated disease is not particularly limited as long as it is a disease wherein VAP-1 is related to the expression and/or progress of the disease, and includes a disease selected from the group consisting of vascular hyperpermeable disease [e.g., macular edema (e.g., diabetic and nondiabetic macular edema), aged macular degeneration, aged disciform macular degeneration, cystoid macular edema, palpebral edema, retina edema, diabetic retinopathy, chorioretinopathy, neovascular maculopathy, neovascular glaucoma, uveitis, ulceris, retinal vasculitis, endophthalmitis, panophthalmitis, metastatic ophthalmia, choroiditis, retinal pigment epithelitis, conjunctivitis, cyclitis, scleritis, episcleritis, optic neuritis, retro
- VAP-1 vascular adhesion protein-1
- the "prophylaxis or treatment of a vascular adhesion protein-1 (VAP-1) associated disease” means administration of the compound of the present invention having a VAP-1 inhibitory action (i.e., VAP-1 inhibitor) to a subject of administration for the purpose of the treatment (including prophylaxis, amelioration of symptom, reduction of symptom, prevention of progress and cure) of the above-mentioned VAP-1 associated disease.
- VAP-1 inhibitory action i.e., VAP-1 inhibitor
- the subjects of the administration of the pharmaceutical agent, pharmaceutical composition, VAP-1 inhibitor, pharmaceutical agent for the prophylaxis or treatment of a VAP-1 associated disease in the present invention are various animals (e.g., mammals such as human, mouse, rat, swine, dog, cat, horse, bovine and the like, particularly human) and the like.
- the pharmaceutical agent of the present invention can be administered by any route.
- the administration route in the present invention includes systemic administration (e.g., oral administration or injection administration), topical administration (e.g., instillation administration, intraocular administration and transdermal administration) and the like.
- the administration route of the pharmaceutical agent of the present invention can be appropriately determined according to whether the application to a VAP-1 associated disease is prophylactic or therapeutic and the like.
- the pharmaceutical agent of the present invention is preferably administered rapidly after a subject of administration such as a mammal, particularly human, is diagnosed to have a risk of a VAP-1 associated disease (prophylactic treatment), or administered rapidly after the subject of administration shows the onset of a VAP-1 associated disease (therapeutic treatment).
- the treatment plan can be appropriately determined according to the kind of the active ingredient to be used, dose, administration route, cause and, where necessary, level of awareness of the VAP-1 associated disease and the like.
- a method known per se for general pharmaceutical agents can be used as an administration method known per se for general pharmaceutical agents can be used.
- the administration route may be an appropriately effective one and one or more routes can be used. Accordingly, the above-mentioned administration routes are mere exemplifications free of any limitation.
- the dose of the pharmaceutical agent of the present invention for a subject of administration is an amount sufficient to provide a desired response in the subject of administration for a reasonable period of time.
- the dose is appropriately determined according to various factors including the strength of the active ingredient to be used, age, kind, symptom, disease state, body weight and severity of disease of the subject of administration, the route, timing and frequency of the administration and the like.
- the dose can also be appropriately controlled according to the route, timing and frequency of the administration and the like. Depending on the symptom or disease state, a long-term treatment involving plural times of administration may be necessary.
- the dose and administration schedule can be determined by a technique within the range known to those of ordinary skill in the art.
- the treatment or prophylaxis is started from a dose lower than the optimal dose of the compound. Thereafter, the dose is gradually increased until the optimal effect is obtained under the circumstances.
- the pharmaceutical agent of the present invention (VAP-1 inhibitor and the like) can be administered generally at a dose of about 0.03 ng/kg body weight/day - about 300 mg/kg body weight/day, preferably about 0.003 ⁇ g/kg body weight/day - about 10 mg/kg body weight/day, by a single administration or 2 - 4 portions a day or in a sustained manner.
- the pharmaceutical composition of the present invention preferably contains a "pharmaceutically acceptable carrier" and, as an active ingredient, the compound of the present invention (VAP-1 inhibitor) in an amount sufficient for the prophylactic or therapeutic treatment of a VAP-1 associated disease.
- the carrier may be any which is generally used as a pharmaceutical agent and is not particularly limited except when limited by physicochemical items for consideration (e.g., solubility, and lack of reactivity with the compound) and administration route.
- the amount of the compound of the present invention in the pharmaceutical agent of the present invention varies depending on the formulation of the composition, it is generally 0.00001 - 10.0 wt%, preferably 0.001 - 5 wt%, more preferably 0.001 - 1 wt%.
- the administration form of the pharmaceutical agent of the present invention is not particularly limited, and can be administered in various forms to achieve the desired VAP-1 inhibitory action.
- the pharmaceutical agent of the present invention is formulated using the compound of the present invention alone or in a combination with a pharmaceutically acceptable carrier or an additive such as diluent and the like, and orally or parenterally administered.
- the characteristics and property of the preparation are determined by the solubility and chemical property of the active ingredient, selected administration route and standard pharmaceutical practice.
- the preparation to be used for oral administration may be a solid dosage forms (e.g., capsule, tablet, powder) or a liquid form (e.g., solution or suspension) and the like.
- the preparation to be used for parenteral administration may be an injection, drip infusion, and the like, which are in the form of an aseptic solution or suspension.
- the solid oral preparation can contain a general excipient and the like.
- the liquid oral preparation can contain various aromatic, colorant, preservative, stabilizer, solubilizer, suspending agent and the like.
- the parenteral preparation is, for example, an aseptic aqueous or nonaqueous solution or suspension, and can contain particular various preservatives, stabilizer, buffer agent, solubilizer, suspending agent and the like. Where necessary, various isotonicity agents may be added.
- the pharmaceutical agent of the present invention may contain other pharmaceutically active compound as long as it does not inhibit the effect of the invention.
- the pharmaceutical agent of the present invention can be simultaneously administered with other pharmaceutically active compound as long as it does not inhibit the effect of the invention.
- the "simultaneous administration” means administration of other pharmaceutically active compound before or simultaneous (e.g., in the same or different preparation) or after administration of the pharmaceutical agent of the present invention.
- corticosteroid, prednisone, methyl prednisone, dexamethasone or triamcinolone acetonide or noncorticosteroid anti-inflammatory compound e.g., ibuprofen or flurbiprofen
- noncorticosteroid anti-inflammatory compound e.g., ibuprofen or flurbiprofen
- vitamin and mineral e.g., zinc, antioxidant (e.g., carotenoid (e.g., xanthophyll carotenoid-like zeaxanthine or lutein))
- micronutrient and the like can be simultaneously administered.
- the compound of the present invention is useful for the production of a pharmaceutical agent such as a VAP-1 inhibitor and a pharmaceutical agent for the prophylaxis or treatment of a VAP-1 associated disease.
- Compound (I) can be produced by the following procedures. However, the procedures are not limited thereto. The procedures can be modified according to a general method known per se. Compound (I) can also be represented by the formula:
- each symbol is as defined above.
- the steps of the production procedure of compound (I) are shown in the following scheme 1.
- Compound (I) can be produced by chemically binding four compounds (1), (2), (3), and carbon monoxide equivalent (4) as partial structures shown in the following scheme 1.
- Compounds (1), (2), (3) may be in the form of salts. The order of binding may be binding (1) and (2) and thereafter (3) via carbon monoxide equivalent (4), or first binding (2) and (3) via carbon monoxide equivalent (4) and finally (1).
- Compound (I) can be produced by both orders. Where necessary, deprotection of D-E, conversion into a pharmaceutically acceptable salt and the like may be performed.
- the production method of compound (I) is not limited to have the above, and can appropriately modify the steps according to a general method known per se.
- L 2 is a reactive functional group which forms a chemical bond with L 3 of compound (2) to form Y.
- L 3 is a reactive functional group which forms a chemical bond with L 2 of compound (1) to form Y.
- L 4 is a functional group that reacts with compound (3) via carbon monoxide equivalent (4) to form B, whereby a carbazic acid ester structure, a carbazic acid thioester structure and a semicarbazide structure are constructed at the molecule terminal of compound (I).
- L 5 is hydrogen, lower alkyl, alkoxycarbonyl, acyl or a protecting group.
- L 2 of compound (1) is a reactive functional group which forms a chemical bond with L 3 of compound (2) to form Y.
- Examples thereof include, but are not limited to, -(CH 2 ) u -CHO, -(CH 2 ) u -OH, -(CH 2 ) u -halogen, -(CH 2 ) u -COOH, -(CH 2 ) u -CO-halogen, -(CH 2 ) u -NH 2 , -(CH 2 ) u -SO 3 H, -(CH 2 ) u -SO 2 -halogen, -(CH 2 ) u -O-acyl derived from -(CH 2 ) u -OH (e.g., -(CH 2 ) u -O-acetyl and the like), -(CH 2 ) u -sulfonic acid ester (e.g., -(CH 2 ) u -OSO 2 CH
- L 3 of compound (2) is a reactive functional group which forms a chemical bond with L 2 of compound (1) to form Y.
- Examples thereof include, but are not limited to, -(CH 2 ) v -CHO, -(CH 2 ) v -OH, -(CH 2 ) v -halogen, -(CH 2 ) v -COOH, -(CH 2 ) v -CO-halogen, - (CH 2 ) v -NH 2 , -(CH 2 ) v -SO 3 H, -(CH 2 ) v -SO 2 -halogen, -(CH 2 ) v -O-acyl derived from -(CH 2 ) v -OH (e.g., -(CH 2 ) v -O-acetyl and the like), - (CH 2 ) v -sulfonic acid ester (e.g., -(CH 2 ) v -OSO 2 CH
- L 4 is a functional group that reacts with compound (3) via carbon monoxide equivalent (4) or a compound obtained by previously binding carbon monoxide equivalent (4) to compound (3) to form B, whereby a carbazic acid ester structure, a carbazic acid thioester structure and a semicarbazide structure are constructed at the molecule terminal of compound (I).
- Examples thereof include, but are not particularly limited to, -(CH 2 ) w -OH, -(CH 2 ) w -SH, -(CH 2 ) t -NHR 2 , R 2 -(CH 2 ) w -halogen and the like (wherein w is an integer of 0 - 6, t is an integer of 1 - 6, halogen is chlorine, bromine or iodine, and R 2 is as defined above.
- Compound (2) and a salt thereof may be commercially available, or can also be produced according to the method known per se, which is described in WO 2004/067521 , WO 2006/011631 and the like.
- Compound (3) is a hydrazine equivalent for constructing a carbazic acid ester structure, a carbazic acid thioester structure and a semicarbazide structure at the molecule terminal of compound (I), and may be commercially available or can be produced according to a method known per se.
- the protecting group of L 5 is a functional group introduced to avoid unnecessary reactions and removed in an appropriate step. Examples thereof include protecting groups of (CH 3 ) 3 C-OCO-shown in the Production Examples and the like.
- Examples of the lower alkyl, alkoxycarbonyl and acyl for L 5 are those similar to the lower alkyl, alkoxycarbonyl and acyl for the aforementioned R 3 .
- (4) is a synthetic equivalent (synthon) of carbon monoxide providing a carbonyl group to B, and may be commercially available, or can be produced according to a method known per se. Specifically, 1,1'-carbonyldiimidazole, chloroformic acid esters, phosgene, bis(trichloromethyl)carbonate [triphosgene] and the like can be used nonlimitatively.
- compound (1) or a salt thereof is chemically bonded to compound (2) or a salt thereof (or compound obtained by condensation of compound (2) and (3) in advance via carbon monoxide equivalent (4)) utilizing Wittig reaction, Horner-Emmons reaction, aldol condensation reaction, Claisen condensation, or a similar carbon-carbon binding formation reaction to construct Y containing lower alkenylene or lower alkynylene.
- Appropriate salts of compound (1) and (2) may be the same as those exemplified with regard to compound (I).
- a desirable example includes -(CH 2 ) u -CHO for L 2 and a phosphonium salt (Wittig reagent) derived from -(CH 2 ) v -halogen etc. for L 3 , or a phosphonium salt (Wittig reagent) derived from -(CH 2 ) u -halogen etc. for L 2 and -(CH 2 ) v -CHO for L 3 (wherein u and v are as defined above, and halogen is chlorine, bromine or iodine).
- the reaction is generally performed in a general solvent such as N,N-dimethylformamide, dimethyl sulfoxide, tetrahydrofuran and dichloromethane, or other organic solvent that does not adversely influence the reaction, or a mixture thereof, in the presence of a general base such as potassium tert-butoxide, sodium hydride, sodium hydroxide and the like.
- a general base such as potassium tert-butoxide, sodium hydride, sodium hydroxide and the like.
- the reaction temperature is not particularly important, and the reaction is performed under cooling or under heating.
- the resultant product is isolated or purified by a known separation or purification means, concentration, concentration under reduced pressure, solvent extraction, crystallization, recrystallization, phase transition, chromatography and the like, or can also be converted to a salt similar to those exemplified for compound (I).
- lower alkenylene or lower alkynylene is hydrogenated for conversion to lower alkylene.
- Y is converted to an alkylene bond
- a hydrogenation reaction is performed in the presence of various homogeneous catalysts or heterogeneous catalyst according to a general method.
- catalytic hydrogenation using a heterogeneous catalyst is preferable, which is performed in the presence of a catalyst such as palladium carbon or Raney-nickel.
- compound (1) or a salt thereof is condensed with compound (2) or a salt thereof (or compound obtained by condensation of compound (2) and (3) in advance via carbon monoxide equivalent (4)) to construct ester or amide bond.
- L 2 is -(CH 2 ) u -OH, -(CH 2 ) u -NH 2 , -(CH 2 ) u -halogen and the like and L 3 is -(CH 2 ) v -COOH, -(CH 2 ) v -CO-halogen, -(CH 2 ) v -SO 3 H, -(CH 2 ) v -SO 2 -halogen and the like, or L 2 is -(CH 2 ) u -COOH, -(CH 2 ) u -CO-halogen, -(CH 2 ) u -SO 3 H, -(CH 2 ) u -SO 2 -halogen and the like and L 3 is -(CH 2 ) v -OH, -(CH 2 ) v -NH 2 , -(CH 2 ) v -halogen and the like, and Y can be constructed based on a general organic synthesis method
- the reaction is generally performed in a general solvent such as dichloromethane, acetone, tetrahydrofuran, diethyl ether and N,N-dimethylformamide, and any other organic solvent that does not adversely influence the reaction, or a mixture thereof.
- a condensation agent such as 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride, N,N'-dicyclohexylcarbodiimide, N,N'-carbonyldiimidazole and the like is used.
- the reaction is also performed in the presence of an additive such as N,N-dimethyl-4-aminopyridine, 1-hydroxybenzotriazole, 1-hydroxysuccinimido and 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine.
- an additive such as N,N-dimethyl-4-aminopyridine, 1-hydroxybenzotriazole, 1-hydroxysuccinimido and 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine.
- the reaction temperature is not particularly important, and the reaction is performed under cooling or under heating.
- L 2 is -(CH 2 ) u -NH 2 , or a salt thereof and the like and L 3 is -(CH 2 ) v -CHO, -(CH 2 ) v -halogen and the like, or L 2 is - (CH 2 ) u -CHO, -(CH 2 ) u -halogen and the like and L 3 is -(CH 2 ) v -NH 2 , or a salt thereof and the like, and Y can be constructed based on a general organic synthesis method (wherein u and v are as defined above, and halogen is chlorine, bromine or iodine).
- amine and aldehyde is condensed to give a Schiff base, which is reduced by sodium borohydride, sodium cyanoborohydride and the like in a general solvent such as tetrahydrofuran, diethyl ether, alcohol and the like, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof as a reaction solvent, whereby a secondary amine structure is constructed.
- a general solvent such as tetrahydrofuran, diethyl ether, alcohol and the like, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof as a reaction solvent, whereby a secondary amine structure is constructed.
- the same structure is also constructed condensation reaction of amine and a halogen compound.
- a base such as N,N-diisopropylamine, triethylamine, potassium carbonate and the like is used as a reaction agent
- a general solvent such as tetrahydrofuran, acetonitrile and N,N-dimethylformamide, or other organic solvent that does not adversely influence the reaction, or a mixture thereof is used as a reaction solvent.
- the reaction temperature is not particularly important, and the reaction is performed under cooling or under heating.
- the resultant product can also be converted to a salt similar to those exemplified for compound (I).
- L 2 is -(CH 2 ) u -OH and the like and L 3 is -(CH 2 ) v -OH, -(CH 2 ) v -halogen, -(CH 2 ) v -sulfonic acid ester and the like, or L 2 is - (CH 2 ) u -OH, -(CH 2 ) u -halogen, -(CH 2 ) u -sulfonic acid ester and the like and L 3 is -(CH 2 ) v -OH and the like, and Y can be constructed based on a general organic synthesis method (wherein u and v are as defined above, and halogen is chlorine, bromine or iodine).
- An ether bond can be formed by Williamson method, ether synthesis method from aromatic halide using a copper catalyst and the like, Mitsunobu reaction, other production method known per se. These reactions are generally performed in a general solvent such as acetonitrile, dichloromethane, acetone, tetrahydrofuran and N,N-dimethylformamide, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof.
- the reaction temperature is not particularly important, and the reaction is performed under cooling or under heating.
- the resultant product can also be converted to a salt similar to those exemplified for compound (I).
- the molecule terminal of compound (I) is a carbazic acid ester structure, a carbazic acid thioester structure, or a semicarbazide structure.
- One example of the method of introducing a carbazic acid ester structure, a carbazic acid thioester structure, or a semicarbazide structure into the molecule terminal of compound (I) is shown in the following Scheme 2.
- compound (2) may be incorporated as a hydroxy group into compound (2) in advance as a starting material, or may be constructed as a part of the synthesis step by reduction of the corresponding carboxylic acid, carboxylic acid ester or aldehyde, hydrolysis of halide or ester, hydration of olefin, hydroboration and the like.
- L 4 -(CH 2 ) w -OH is reacted with, for example, 1,1'-carbonyldiimidazole as a synthetic equivalent of carbon monoxide (4), and then condensed with hydrazine (or protected hydrazine), whereby a carbazic acid ester structure (in the formula (I), B is -(CH 2 ) w -O-CO-, D is -NR 3 -, and E is an optionally substituted amino group) can be constructed at the molecule terminal of compound (I), wherein w is as defined above.
- a carbazic acid ester structure can be constructed at the molecule terminal of compound (I) by reacting hydrazine (or protected hydrazine) and 1H-imidazole-1-carbohydrazide synthesized, for example, from 1,1'-carbonyldiimidazole with L 4 : (CH 2 ) w -OH, or a metal alcoholate thereof [-(CH 2 ) w -ONa and the like].
- the reaction is generally performed in a general solvent such as tetrahydrofuran, N,N-dimethylformamide, dichloromethane and acetonitrile, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof. Where necessary, deprotection is performed in an appropriate step to give the object compound.
- L 4 of compound (2) should be a -(CH 2 ) w -SH structure. It may be incorporated as a sulfanyl group into compound (2) in advance as a starting material, or may be constructed as a part of the synthesis step by a general thiol production method such as functional group conversion of the corresponding alcohol or a halogen compound and the like.
- L4 -(CH 2 ) w -SH is reacted with, for example, 1,1'-carbonyldiimidazole as a synthetic equivalent of carbon monoxide (4), and then condensed with hydrazine (or protected hydrazine), whereby a carbazic acid thioester structure (in the formula (I), B is -(CH 2 ) w -S-CO-, D is -NR 3 -, and E is an optionally substituted amino group) can be constructed at the molecule terminal of compound (I), wherein w is as defined above.
- a carbazic acid thioester structure can be constructed at the molecule terminal of compound (I) by reacting hydrazine (or protected hydrazine) and 1H-imidazole-1-carbohydrazide synthesized, for example, from 1,1'-carbonyldiimidazole with L 4 : -(CH 2 ) w -SH, or a metal thiolate thereof [-(CH 2 ) w -SNa and the like].
- the reaction is generally performed in a general solvent such as tetrahydrofuran, N,N-dimethylformamide, dichloromethane and acetonitrile, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof. Where necessary, deprotection is performed in an appropriate step to give the object compound.
- L 4 should be a -(CH 2 ) t -NHR 2 structure wherein t is an integer of 1 - 6. It may be incorporated as an amino group or a protected amino group into compound (2) in advance as a starting material, or may be constructed as a part of the synthesis step by reduction of nitro group, cyano group or carboxamide group, functional group conversion of alcohol or halide and the like.
- the molecule terminal structure wherein B is -(CH 2 ) l -NR 2 -CO-, D is -NR 3 -, and E is an optionally substituted amino group can be constructed by treating the amino group with tert-butyl 2-(1H-imidazol-1-ylcarbonyl)hydrazinecarboxylate prepared, for example, from 1,1'-carbonyldiimidazole and tert-butoxy carbazate and the like.
- the reaction is generally performed in a general solvent such as dichloromethane, acetonitrile, tetrahydrofuran and N,N-dimethylformamide, or any other organic solvent that does not adversely influence the reaction, or a mixture thereof.
- the reaction temperature is not particularly important, and the reaction is performed under cooling or under heating. When necessary, deprotection is performed by an appropriate step to give the object compound.
- the thus-produced compound (I) can be isolated or purified by a known separation or purification means such as crystallization, recrystallization, phase transition, chromatography and the like. In addition, it can be converted to a pharmaceutically acceptable salt.
- the starting material compounds used in the following Production Examples can be produced by a known method ( WO 2004/067521 , WO 2006/011631 , WO 2006/028269 , WO 2008/066145 etc.) or purchased as commercially available reagents.
- tert-Butyl carbazate (77.3 mg, 0.584 mmol) was added again, and the mixture was stirred for 2 hr.
- tert-Butyl carbazate (115.9 mg, 0.877 mmol) was added again, and the mixture was stirred for 4 hr.
- the residue was further purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- step 2 (4-carboxy-3-fluorobenzyl)(triphenyl)phosphoniumbromide (4.130 g, 8.338 mmol, yield 76.9%) was obtained as a white solid from 4-(bromomethyl)-3-fluorobenzoic acid (2.526 g, 10.84 mmol).
- N-(4-Formyl-1,3-thiazol-2-yl)acetamide (941.7 mg, 5.533 mmol) and (4-carboxy-3-fluorobenzyl)(triphenyl)phosphoniumbromide (4.111 g, 8.300 mmol) were condensed by a method similar to that of Production Example 4, step 3, to give 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]vinyl ⁇ -3-fluorobenzoic acid (1.086 g, 3.547 mmol, yield 64.1%) as a pale-yellow solid.
- step 6 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -3-fluorobenzyl tert-butyl hydrazine-1,2-dicarboxylate (196.0 mg, 0.433 mmol, yield 66.7%) was obtained as a pale-yellow solid from N-(4- ⁇ 2-[2-fluoro-4-(hydroxymethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (191.0 mg, 0.649 mmol).
- 2,3-Difluoro-4-methylbenzoic acid (4.689 g, 27.24 mmol) was brominated by a method similar to that of Production Example 4, step 1 to give 4-(bromomethyl)-2,3-difluorobenzoic acid (1.724 g, 6.869 mmol, yield 25.2%) as a slightly yellow solid.
- step 2 (4-carboxy-2,3-difluorobenzyl)(triphenyl)phosphoniumbromide (3.246 g, 6.323 mmol, yield 95.2%) was obtained as a white solid from 4-(bromomethyl)-2,3-difluorobenzoic acid (1.667 g, 6.640 mmol).
- N-(4-Formyl-1,3-thiazol-2-yl)acetamide (1.071 g, 6.292 mmol) and (4-carboxy-2,3-difluorobenzyl)(triphenyl)phosphoniumbromide (3.227 g, 6.287 mmol) were condensed by a method similar to that of Production Example 4, step 3, to give 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]vinyl ⁇ -2,3-difluorobenzoic acid (1.550 g, 4.778 mmol, yield 76.0%) as a yellow solid.
- step 6 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -2,3-difluorobenzyl tert-butyl hydrazine-1,2-dicarboxylate (173.4 mg, 0.369 mmol, yield 92.3%) was obtained as a white solid from N-(4- ⁇ 2-[2,3-difluoro-4-(hydroxymethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (125.0 mg, 0.400 mmol).
- step 6 2-(4 ⁇ [2-(acetylamino)-1,3-thiazol-4-yl]methoxy ⁇ phenyl)ethyl tert-butyl hydrazine-1,2-dicarboxylate (479.4 mg, quantitative) was obtained as a white solid from N-(4- ⁇ [4-(2-hydroxyethyl)phenoxy]methyl ⁇ -1,3-thiazol-2-yl)acetamide (250.0 mg, 0.855 mmol).
- the mixture was washed twice with ethyl acetate, and the aqueous layer was acidified with 1M hydrochloric acid (pH 2.5).
- the mixture was extracted 3 times with ethyl acetate, and the combined organic layer was washed twice with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure.
- the residue was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- N- ⁇ 3-[2-(4-Hydroxyphenyl)vinyl]-1,3-thiazol-2-yl ⁇ acetamide (1.900 g, 7.299 mmol) was dissolved in a mixture of ethyl acetate (300 ml) and acetic acid (50 ml), and 10% palladium carbon (760 mg, containing 50% water) was added. The mixture was hydrogenated at room temperature under 4 - 5 atm. After the completion of the reaction, the reaction mixture was filtered through celite, and the filtrate was concentrated under reduced pressure.
- step 3 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl tert-butyl hydrazine-1,2-dicarboxylate (636.1 mg, 1.513 mmol, yield 52.9%) was obtained as a white solid from N- ⁇ 3-[2-(4-hydroxyphenyl)ethyl]-1,3-thiazol-2-yl ⁇ acetamide (750.0 mg, 2.859 mmol).
- step 4 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl tert-butyl hydrazine-1,2-dicarboxylate (260.0 mg, 0.618 mmol) was deprotected to give the title compound (219.0 mg, 0.614 mmol, yield 99.3%) as a white solid.
- m-Toluic acid (13.62 g, 100.0 mmol) was brominated by a method similar to that of Production Example 4, step 1, to give 3-(bromomethyl)benzoic acid (16.85 g, 78.36 mmol, yield 78.4%) as a pale-yellow solid.
- N-(4-Formyl-1,3-thiazol-2-yl)acetamide (1.702 g, 10.00 mmol) and (3-carboxybenzyl)(triphenyl)phosphonium bromide (5.251 g, 11.00 mmol) were condensed by a method similar to that of Production Example 4, step 3, to give 4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]vinyl ⁇ benzoic acid (2.862 g, 9.926 mmol, yield 99.3%) as a pale-yellow solid.
- step 6 3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ benzyl tert-butyl hydrazine-1,2-dicarboxylate (710.0 mg, 1.634 mmol, yield 86.2%) was obtained as a white solid from N-(4- ⁇ 2-[3-(hydroxymethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (524.0 mg, 1.896 mmol).
- step 4 3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ benzyl tert-butyl hydrazine-1,2-dicarboxylate (406.0 mg, 0.934 mmol) was deprotected to give the title compound (329.1 mmol, 0.887 mmol, yield 95.0%) as a white solid.
- step 6 2-(3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl tert-butyl hydrazine-1,2-dicarboxylate (534.9 mg, quantitative) was obtained as a white solid from N-(4- ⁇ 2-[3-(2-hydroxyethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (300.0 mg, 1.033 mmol).
- step 6 (5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)methyl tert-butyl hydrazine-1,2-dicarboxylate (158.2 mg, quantitative) was obtained as a white solid from N-(4- ⁇ 2-[5-(hydroxymethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (100.0 mg, 0.353 mmol).
- step 1 2-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiazol-2-yl)ethyl tert-butyl hydrazine-1,2-dicarboxylate (571.6 mg, quantitative) was obtained as a white solid from N-(4- ⁇ 2-[5-(2-hydroxyethyl)thiazol-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (300.0 mg, 1.012 mmol).
- step 2 the title compound (263.4 mg, 0.674 mmol, yield 66.6%) was obtained as a white solid from 2-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiazol-2-yl)ethyl tert-butyl hydrazine-1,2-dicarboxylate (571.6 mg, corresponding to 1.012 mmol).
- step 1 3-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)propyl tert-butyl hydrazine-1,2-dicarboxylate (362.9 mg, quantitative) was obtained as a colorless oil from N-(4- ⁇ 2-[5-(3-hydroxypropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (205.0 mg, 0.660 mmol).
- step 2 the title compound (207.9 mg, 0.513 mmol, yield 77.7%) was obtained as a white solid from 3-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)propyl tert-butyl hydrazine-1,2-dicarboxylate (0.660 mmol).
- step 1 3-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-3-yl)propyl tert-butyl hydrazine-1,2-dicarboxylate (277.4 mg, 0.592 mmol, yield 99. 5%) was obtained as a pale-yellow solid from N-(4- ⁇ 2-[4-(3-hydroxypropyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (184.6 mg, 0.595 mmol).
- step 2 the title compound (238.4 mg, 0.589 mmol, yield 99.7%) was obtained as a white solid from 3-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-3-yl)propyl tert-butyl hydrazine-1,2-dicarboxylate (277.0 mg, 0.591 mmol).
- step 1 ⁇ [2-(acetylamino)-1,3-thiazol-4-yl]methyl ⁇ (triphenyl)phosphonium chloride (12.03 g, 26.56 mmol) and 5-(1,3-dioxolan-2-yl)-4-methylthiophene-2-carbaldehyde (3.51 g, 17.7 mmol) were condensed to give N-(4- ⁇ 2-[5-(1,3-dioxolan-2-yl)-4-methylthiophen-2-yl]vinyl ⁇ -1,3-thiazol-2-yl)acetamide (4.450 g, 13.23 mmol, yield 74.7%) as a yellow solid.
- N-(4- ⁇ 2-[5-(1,3-Dioxolan-2-yl)-4-methylthiophen-2-yl]vinyl ⁇ -1,3-thiazol-2-yl)acetamide (4.42 g, 13.1 mmol) was dissolved in a mixture of ethyl acetate (400 ml) and acetic acid (100 ml), and 10% palladium carbon (2.21 g, containing 50% water) was added. The mixture was hydrogenated at room temperature under an atmospheric pressure. The reaction mixture was filtered through celite, and the filtrate was concentrated. The residue was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- step 9 3-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -3-methylthiophen-2-yl)propyl tert-butyl hydrazine-1,2-dicarboxylate (155.7 mg, 0.323 mmol, yield 90.7%) was obtained as a white solid from N-(4- ⁇ 2-[5-(3-hydroxypropyl)-4-methylthiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (115.6 mg, 0.356 mmol).
- the aqueous layer was extracted with ethyl acetate, and the combined organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure.
- the residue was further purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- step 1 tert-butyl 2- ⁇ [2-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl]carbamoyl ⁇ hydrazinecarboxylate (674.7 mg, 1.508 mmol, yield 88.7%) was obtained as a white solid from N-(4- ⁇ 2-[4-(2-aminoethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (492.0 mg, 1.700 mmol).
- step 2 the title compound (422.1 mg, 1.100 mmol, yield 95.8%) was obtained as a white solid from tert-butyl 2- ⁇ [2-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl]carbamoyl ⁇ hydrazinecarboxylate (513.8 mg, 1.148 mmol).
- N-(4- ⁇ 2-[4-(chloromethyl)-3-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide 203.3 mg, 0.650 mmol
- sodium azide 233.7 mg, 3.595 mmol
- Water (20 ml) and ethyl acetate (20 ml) were added to the reaction mixture, and the mixture was stirred, stood still and then partitioned.
- N-(4- ⁇ 2-[4-(Chloromethyl)-2-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (59.1 mg, 0.189 mmol) was azidated by a method similar to that of Production Example 20, step 2, to give N-(4- ⁇ 2-[4-(azidomethyl)-2-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (54.8 mg, 0.172 mmol, yield 91.0%) as a pale-yellow solid.
- N-(4- ⁇ 2-[4-(Azidomethyl)-2-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[4-(aminomethyl)-2-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (48.8 mg, 0.166 mmol, yield 98.2%) as a white solid.
- step 3 tert-butyl 2-[(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -3-fluorobenzyl)carbamoyl]hydrazinedicarboxylate (28.7 mg, 0.064 mmol, yield 38.3%) was obtained as a pale-yellow solid from N-(4- ⁇ 2-[4-(aminomethyl)-2-fluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (53.1 mg, 0.327 mmol).
- N-(4- ⁇ 2-[2,3-Difluoro-4-(hydroxymethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (193.2 mg, 0.619 mmol) was chlorinated by a method similar to that of Production Example 20, step 1, to give N-(4- ⁇ 2-[4-(chloromethyl)-2,3-difluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (212.7 mg) as a white solid.
- N-(4- ⁇ 2-[4-(Chloromethyl)-2,3-difluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (201.9 mg, 0.610 mmol) was azidated by a method similar to that of Production Example 20, step 2, to give N-(4- ⁇ 2-[4-(azidomethyl)-2,3-difluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (180.3 mg, 0.535 mmol, yield 87.6%) as a white solid.
- N-(4- ⁇ 2-[4-(Azidomethyl)-2,3-difluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide 17. mg, 0.528 mmol
- step 4 tert-butyl 2-[(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -2,3-difluorobenzyl)carbamoyl]hydrazinedicarboxylate (135.2 mg, 0.288 mmol, yield 73.7%) was obtained as a white solid from N-(4- ⁇ 2-[4-(aminomethyl)-2,3-difluorophenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (126.7 mg, 0.781 mmol).
- N-(4- ⁇ [4-(2-Azidoethyl)phenoxy]methyl ⁇ -1,3-thiazol-2-yl)acetamide (240.0 mg, 0.756 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ [4-(2-aminoethyl)phenoxy]methyl ⁇ -1,3-thiazol-2-yl)acetamide (217.6 mg, 0.747 mmol, yield 98.5%) as a white solid.
- step 4 tert-butyl 2- ⁇ [2-(4- ⁇ [2-(acetylamino)-1,3-thiazol-4-yl]methoxy ⁇ phenyl)ethyl]carbamoyl ⁇ hydrazinedicarboxylate (309.7 mg, 0.689 mmol, yield 97.9%) was obtained as a white solid from N-(4- ⁇ [4-(2-aminoethyl)phenoxy]methyl ⁇ -1,3-thiazol-2-yl)acetamide (205.0 mg, 0.704 mmol).
- N-(4- ⁇ 2-[3-(Hydroxymethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (2.909 mmol) was chlorinated by a method similar to that of Production Example 20, step 1, to give N-(4- ⁇ 2-[3-(chloromethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (718.7 mg, 2.438 mmol, yield 83.8%) as a slightly yellow solid.
- N-(4- ⁇ 2-[3-(Chloromethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (716.0 mg, 2.429 mmol) was azidated by a method similar to that of Production Example 20, step 2, to give N-(4- ⁇ 2-[3-(azidomethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (555.9 mg, 2.019 mmol, yield 83.1%) as a white solid.
- N-(4- ⁇ 2-[3-(Azidomethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[3-(aminomethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (467.5 mg, 1.698 mmol, yield 92.5%) as a white solid.
- step 4 tert-butyl 2-[(3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ benzyl)carbamoyl]hydrazinedicarboxylate (483.2 mg, 1.115 mmol, yield 69.0%) was obtained as a white solid from N-(4- ⁇ 2-[3-(aminomethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (444.7 mg, 1.615 mmol).
- N-(4- ⁇ 2-[3-(2-Hydroxyethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (360.0 mg, 1.240 mmol) was mesylated by a method similar to that of Production Example 25, step 1, to give 2-(3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl methanesulfonate (454.9 mg, containing N-(4- ⁇ 2-[3-(2-chloroethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide) as a yellow solid.
- N-(4- ⁇ 2-[3-(2-Azidoethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (300.0 mg, 0.951 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[3-(2-aminoethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (329.8 mg) as a white solid.
- step 4 tert-butyl 2- ⁇ [2-(3- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ phenyl)ethyl]carbamoyl ⁇ hydrazinedicarboxylate (238.2 mg, 0.532 mmol, total yield from step 3 55.9%) was obtained as a white solid from N-(4- ⁇ 2-[3-(2-aminoethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (corresponding to 0.951 mmol).
- N-(4- ⁇ 2-[5-(Chloromethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (corresponding to 1.771 mmol) was azidated by a method similar to that of Production Example 20, step 2, to give N-(4- ⁇ 2-[5-(azidomethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (489.8 mg, 1.593 mmol, yield 90.0%) as a slightly yellow solid.
- N-(4- ⁇ 2-[5-(Azidomethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (480.0 mg, 1.562 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[5-(aminomethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (376.1 mg, 1.337 mmol, yield 85.6%) as a white solid.
- step 4 tert-butyl 2- ⁇ [2-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)methyl]carbamoyl ⁇ hydrazinecarboxylate (307.9 mg, 0.700 mmol, yield 56.3%) was obtained as a white solid from N-(4- ⁇ 2-[5-(aminomethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (350.0 mg, 1.244 mmol).
- step 4 tert-butyl 2- ⁇ [2-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)ethyl]carbamoyl ⁇ hydrazinecarboxylate (658.6 mg, 1.452 mmol, yield 90.3%) was obtained as a white solid from N-(4- ⁇ 2-[,5-(2-aminoethyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (475.0 mg, 1.608 mmol).
- N-(4- ⁇ 2-[5-(3-Hydroxypropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (290.0 mg, 0.934 mmol) was mesylated by a method similar to that of Production Example 25, step 1, to give 3-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-3-yl)propyl methanesulfonate (362.4 mg, containing a small amount of N-(4- ⁇ 2-[5-(3-chloropropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide, 0.933 mmol as sulfonate, yield 99.8%) as a pale-orange solid.
- N-(4- ⁇ 2-[5-(3-Azidopropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (280.0 mg, 0.843 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[5-(3-aminopropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (247.1 mg, 0.799 mmol, yield 94.7%) as a white solid.
- step 4 tert-butyl 2- ⁇ [3-(4- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-2-yl)propyl]carbamoyl ⁇ hydrazinedicarboxylate (180.3 mg, 0.386 mmol, yield 70.2%) was obtained as a white solid from N-(4- ⁇ 2-[5-(3-aminopropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (170.0 mg, 0.549 mmol).
- N-(4- ⁇ 2-[5-(3-Hydroxypropyl)thiophen-3-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (380.0 mg, 1.224 mmol) was mesylated by a method similar to that of Production Example 25, step 1.
- the crude product was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- N-(4- ⁇ 2-[4-(3-Azidopropyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (310.4 mg, 0.925 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[4-(3-aminopropyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (284.5 mg, 0.919 mmol, yield 99.4%) as a white solid.
- step 4 tert-butyl 2- ⁇ [3-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ thiophen-3-yl)propyl]carbamoyl ⁇ hydrazinedicarboxylate (423.0 mg, 0.905 mmol, yield 100%) was obtained as an off-white solid from N-(4- ⁇ 2-[4-(3-aminopropyl)thiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (280.1 mg, 0.905 mmol).
- N-(4- ⁇ 2-[5-(3-Hydroxypropyl)-4-methylthiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (102.1 mg, 0.315 mmol) was mesylated by a method similar to that of Production Example 25, step 1.
- the crude product was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- N-(4- ⁇ 2-[5-(3-Azidopropyl)-4-methylthiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (47.2 mg, 0.135 mmol) was hydrogenated by a method similar to that of Production Example 20, step 3, to give N-(4- ⁇ 2-[5-(3-aminopropyl)-4-methylthiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (42.7 mg, 0.132 mmol, yield 97.8%) as a pale-yellow solid.
- step 4 tert-butyl 2- ⁇ [3-(5- ⁇ 2-[2-(acetylamino)-1,3-thiazol-4-yl]ethyl ⁇ -3-methylthiophen-2-yl)propyl]carbamoyl ⁇ hydrazinedicarboxylate (60.9 mg, 0.126 mmol, yield 96.2%) was obtained as a pale-yellow solid from N-(4- ⁇ 2-[5-(3-aminopropyl)-4-methylthiophen-2-yl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide (42.5 mg, 0.131 mmol).
- N-(4- ⁇ 2-[4-(2-sulfanylethyl)phenyl]ethyl ⁇ -1,3-thiazol-2-yl)acetamide 368.0 mg, 1.201 mmol
- 1,1'-carbonyldiimidazole 291.4 mg, 1.797 mmol
- tert-Butyl carbazate 477.9 mg, 3.616 mmol
- anhydrous tetrahydrofuran (2 ml) was added, and the mixture was stirred at room temperature for 19 hr.
- the solid was dissolved in a mixed solvent of ethanol (150 ml) and water (30 ml), and cooled to 0°C. Ice-cooled 8M aqueous sodium hydroxide (30 ml, 240 mmol) was added and stirred at 0°C for 30 min. To acidify the reaction mixture, ice-cooled 1M hydrochloric acid (600 ml, 600 mmol) was added. After stirring at 0°C for 30 min, the mixture was concentrated to about 350 ml. The mixture was extracted 5 times with ethyl acetate, and the combined organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure.
- tert-Butyl carbazate 351.4 mg, 4.021 mmol was added, and the mixture was stirred at room temperature for 16 hr. The mixture was concentrated, and residue was added water (40 ml) and extracted 3 times with ethyl acetate. The combined organic layer was washed with ice-cooled 1M hydrochloric acid, saturated aqueous sodium hydrogen carbonate and saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (FUJI SILYSIA CHEMICAL LTD.
- Table 2 Enzyme activity inhibitory effect on human monoamine oxidase enzymes (MAO-A and MAO-B) Compound Chemical structure MAO-A inhibition IC 50 ( ⁇ M) MAO-B inhibition IC 50 ( ⁇ M) Production Example 1 >100 >100 Production Example 2 >100 >100 Production Example 18 >100 >100 Clorgyline 0.0011 No Data Pargyline No data 0.103
- the present invention provides a compound represented by the formula (I)
- each symbol is as defined above, useful as a VAP-1 inhibitor, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition, a pharmaceutical agent for the prophylaxis or treatment of VAP-1 associated diseases such as macular edema, vascular hyperpermeable disease, ophthalmic diseases associated with hypoxia or ischemia and cataract and the like, and the like.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008021588 | 2008-01-31 | ||
EP09705640.2A EP2252604B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren verwendung als vap-1-inhibitoren |
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EP09705640.2A Division EP2252604B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren verwendung als vap-1-inhibitoren |
EP09705640.2 Division | 2009-01-30 |
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EP2639229A2 true EP2639229A2 (de) | 2013-09-18 |
EP2639229A3 EP2639229A3 (de) | 2013-12-25 |
EP2639229B1 EP2639229B1 (de) | 2014-11-26 |
EP2639229B9 EP2639229B9 (de) | 2015-08-05 |
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EP09705640.2A Not-in-force EP2252604B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren verwendung als vap-1-inhibitoren |
EP13185390.5A Not-in-force EP2676955B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren Verwendung als VAP-1-Hemmer |
EP13172126.8A Not-in-force EP2639229B9 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren Verwendung als VAP-1-Hemmer |
EP13172130.0A Not-in-force EP2650287B9 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren Verwendung als VAP-1-Hemmer |
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EP09705640.2A Not-in-force EP2252604B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren verwendung als vap-1-inhibitoren |
EP13185390.5A Not-in-force EP2676955B1 (de) | 2008-01-31 | 2009-01-30 | Thiazolderivate und deren Verwendung als VAP-1-Hemmer |
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US (1) | US8507690B2 (de) |
EP (4) | EP2252604B1 (de) |
JP (1) | JP5415430B2 (de) |
KR (1) | KR101622414B1 (de) |
CN (1) | CN101932568B (de) |
AR (1) | AR070336A1 (de) |
AU (1) | AU2009209885B2 (de) |
BR (1) | BRPI0906352A2 (de) |
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TWI490214B (zh) * | 2008-05-30 | 2015-07-01 | 艾德克 上野股份有限公司 | 苯或噻吩衍生物及該等作為vap-1抑制劑之用途 |
UA112154C2 (uk) * | 2009-09-08 | 2016-08-10 | Біоті Терапіс Корп. | Застосування повністю людського анти-vap-1-антитіла для лікування фіброзних станів |
US8802666B2 (en) * | 2009-12-21 | 2014-08-12 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Inhibitors of cyclophilins and uses thereof |
TWI594764B (zh) * | 2010-04-12 | 2017-08-11 | 生化治療公司 | 治療用途 |
ES2628850T3 (es) * | 2011-03-15 | 2017-08-04 | Astellas Pharma Inc. | Compuesto de guanidina |
WO2014199171A1 (en) | 2013-06-12 | 2014-12-18 | Proximagen Limited | New therapeutic uses of enzyme inhibitors |
WO2015189534A1 (en) | 2014-06-12 | 2015-12-17 | Proximagen Limited | Vap-1 inhibitors for treating muscular dystrophy |
JP2018080113A (ja) | 2015-05-27 | 2018-05-24 | 株式会社アールテック・ウエノ | 脳梗塞処置剤 |
JP2018076236A (ja) | 2015-06-05 | 2018-05-17 | 株式会社アールテック・ウエノ | がんを処置するための医薬組成物 |
FR3037954B1 (fr) * | 2015-06-24 | 2017-08-11 | Michelin & Cie | Procede de synthese de molecules azo-dicarbonylees porteuses de groupes associatifs |
AU2016366635A1 (en) | 2015-12-07 | 2018-06-21 | Benevolentai Cambridge Limited | VAP-1 inhibitors for treating pain |
WO2018097294A1 (ja) * | 2016-11-28 | 2018-05-31 | 帝人ファーマ株式会社 | 糖尿病性腎症の治療薬または予防薬 |
US11883461B2 (en) | 2019-05-09 | 2024-01-30 | The Feinstein Institutes For Medical Research | HMGB1 antagonist treatment of severe sepsis |
CA3139104A1 (en) * | 2019-05-09 | 2020-11-12 | The Feinstein Institutes For Medical Research | Thiosemicarbazates and uses thereof |
EP3965792A4 (de) | 2019-05-09 | 2023-01-18 | The Feinstein Institutes for Medical Research | Hmgb1-antagonist |
SE544131C2 (en) * | 2020-03-16 | 2022-01-04 | Pvac Medical Tech Ltd | Use of substance and pharmaceutical composition thereof, and medical treatments or uses thereof |
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IT1181871B (it) | 1985-04-01 | 1987-09-30 | Consiglio Nazionale Ricerche | Inibitori selettivi delle benzilamminossidasi rispetto ad altre amminossidasi |
TW205041B (de) * | 1989-08-07 | 1993-05-01 | Fujisawa Pharmaceutical Co | |
AU4055593A (en) | 1992-05-15 | 1993-12-13 | University Of Saskatchewan | Method for preventing endothelium damage in mammals and for alleviating pain associated with gout and arthritis |
US6114365A (en) * | 1999-08-12 | 2000-09-05 | Pharmacia & Upjohn S.P.A. | Arylmethyl-carbonylamino-thiazole derivatives, process for their preparation, and their use as antitumor agents |
RU2003103286A (ru) | 2000-07-05 | 2004-08-20 | Байотай Терапис Корпорейшн (Fi) | Ингибиторы медьсодержащих аминооксидаз |
ES2168084B1 (es) | 2000-11-07 | 2003-11-16 | Univ Barcelona | Combinacion de aminas y compuestos de vanadio (iv) (v) para el tratatamiento y/o la prevencion de la diabetes mellitus. |
AU2002214505A1 (en) | 2000-11-09 | 2002-05-21 | Biovitrum Ab | New use of 4, 5, 6, 7-tetrahydroimidazo-(4,5-c)pyridine derivatives |
CN100491361C (zh) * | 2003-01-27 | 2009-05-27 | 安斯泰来制药有限公司 | 噻唑衍生物及其作为vap-1抑制剂的用途 |
US20060229346A1 (en) * | 2003-03-31 | 2006-10-12 | Sucampo Ag | Method for treating vascular hyperpermeable disease |
CN1933833B (zh) * | 2004-03-18 | 2011-09-07 | 株式会社·R-技术上野 | 含有噻唑衍生物的含水组合物 |
CA2579889A1 (en) | 2004-09-09 | 2006-03-16 | Astellas Pharma Inc. | Thiazole derivatives having vap-1 inhibitory activity |
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JPWO2009051223A1 (ja) | 2007-10-19 | 2011-03-03 | 株式会社アールテック・ウエノ | 白内障処置のための医薬組成物 |
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